The Netgear ReadyNAS Pro 4 RNDP4000 4GB RAM is a high-performance 4-bay NAS device designed for network attached storage. With a sleek black design and a form factor of 3.5 inches, this device offers hybrid storage options with both HDD and SSD capabilities. It features a temperature sensor, remote access, and a USB port for added convenience. With four times the write speed and a storage capacity of 4GB, this Netgear NAS is ideal for businesses and home users looking for reliable and efficient storage solutions. NO DISC INCLUDED